Finding the Fourth Proportional to 12,807.51, 19,211.33 and 7,597.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,807.51 : 19,211.33 = 7,597.59 : x
2. Step 2: Convert to fraction form
   12,807.51/19,211.33 = 7,597.59/x
3. Step 3: Cross multiply
   12,807.51x = 19,211.33 × 7,597.59
4. Step 4: Simplify right side
   12,807.51x = 145,959,808.69
5. Step 5: Solve for x
   x = 145,959,808.69/12,807.51
6. Step 6: Final answer
   x = 11,396.42